Photo: Derrellwilliams · CC BY-SA 4.0Living in Holladay, UT: what to set up and who to call
Most mail in Holladay goes to 84117 (52% of residents), one of 3 ZIP codes in town. For emergencies, Holladay is closest to St. Mark's Hospital, 2.6 miles away.
I’m new in town
What to set up in Holladay, and who provides it. Tap an answer for the details and where they come from.
Power, water and internet
Who to call to start service at a new address in Holladay.
Power comes from Rocky Mountain Power
Rocky Mountain Power (PacifiCorp), an investor-owned utility, serves all of Holladay. Its homes paid an average of 13.5¢ per kWh in 2025, about $101 a month (its average across Utah).
Start or move service: pacificorp.com · (888) 221-7070
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Salt Lake City Water System
Salt Lake City Water System supplies Holladay: about 59% of residents live in its service area. Holliday Water Company serves another 41%. It draws surface water (EPA lists Metropolitan Water District and Jordan Valley Wcd as sellers) and serves 383,612 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 86% of the 84 systems serving 250,001–500,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2022–Dec 2024, was 2.5 ppb, below the 15 ppb action level that applied. The highest in five years was 4.5 ppb. That’s higher than 73% of similar systems’ latest results.
The system’s full record: EPA ECHO report
EPA SDWIS via Envirofacts (violations pulled Oct 9, 2026) and ECHO (lead samples, 2026Q3); service area: EPA Community Water System Service Area Boundaries v3.0. Violations are counted by the start of their compliance period. UTAH18026.
8 home internet providers serve Holladay
100% of 9,984 addresses can get 100/20 Mbps; 85% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable | 99% | 2,000/2,000 |
| Quantum Fiber | Fiber | 70% | 3,000/3,000 |
| Google Fiber | Fiber | 66% | 8,000/8,000 |
| CenturyLink | DSL, Fiber | 17% | 1,000/1,000 |
| Verizon | Fixed wireless | 94% | 300/20 |
| AT&T | Fixed wireless | 74% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
A county or regional provider runs trash and recycling for Holladay
Pickup days, the drop-off and recycling in Holladay, from the town’s own site.
We couldn’t find pickup days or drop-off hours. Check holladayut.gov →
From holladayut.gov, the town’s official site, checked Oct 21, 2026; pages dated January 1, 2027. Rules change: the town’s page is the last word. .
Where your child goes to school
Public school districts and the school path by grade.
Holladay is in Granite School District.
C−School gradeSee Schools →U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.
Town hall and registering to vote
Who to call, and how to register.
Election office: FVAP local election office directory, updated Nov 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Mar 13, 2026.
Holladay spans 3 ZIP codes
ZIP codes where Holladay residents live, with the share of the town in each.
| ZIP | Post office name | Share of Holladay | ZIP’s residents in Holladay |
|---|---|---|---|
| 84117 | Salt Lake City, UT | 52% | 64% |
| 84124 | Salt Lake City, UT | 35% | 49% |
| 84121 | Salt Lake City, UT | 14% | 11% |
Census 2020 ZIP Code Tabulation Areas, by census block; post office names: GeoNames (CC BY 4.0). ZIPs created since 2020 are missing.
Getting around, the ER and the library
One line each; the subject pages have the rest.
ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.
Questions about living in Holladay
Who supplies Holladay’s drinking water, and has it had violations?
Salt Lake City Water System (EPA ID UTAH18026). It reported no health-based violations to EPA in the five years to October 2026; 86% of systems its size had none. Its latest lead 90th percentile was 2.5 ppb (Jan 2022–Dec 2024), against a 15 ppb action level.
Who provides electricity in Holladay?
Rocky Mountain Power (PacifiCorp), an investor-owned utility. Its homes paid about 13.5¢ per kWh in 2025 (EIA).
What internet providers serve Holladay?
Xfinity, Quantum Fiber, Google Fiber, CenturyLink, Verizon, AT&T (FCC, as of December 2025).
What ZIP codes are in Holladay?
84117 (52%), 84124 (35%), 84121 (14%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Holladay in?
Granite School District.
How do I register to vote in Holladay?
In Utah you can register online until 11 days before Election Day, in person up to and including Election Day, or by mail (received 11 days before). Elections here are run by the Salt Lake County Clerk. Check your registration at votesearch.utah.gov.
Sources & dates
Every answer above names its source. Here they are with their dates.
- Water: EPA SDWIS (Envirofacts, pulled Oct 9, 2026), ECHO SDWA 2026Q3, EPA CWS Service Area Boundaries v3.0.
- Power: HIFLD Electric Retail Service Territories (map Aug 2023); EIA-861 final 2025.
- Trash: Holladay’s own website (holladayut.gov), read Oct 21, 2026, pickup and drop-off facts extracted and checked against the page they came from.
- ZIP codes: Census 2020 ZCTA relationship files; GeoNames postal codes (CC BY 4.0).
- Schools: NCES Common Core of Data, 2024–25.
- Registration: vote.gov, updated Mar 13, 2026 (read Oct 10, 2026). Official sites and area codes: Wikidata.
- Election office: FVAP local election office directory (fetched Oct 10, 2026; each record dated), EAC EAVS 2024 jurisdictions; registration and lookup links from vote.gov’s state data, checked Oct 10, 2026.
- Internet: FCC National Broadband Map, as of December 2025.